from tkinter import *
win = Tk ()
y = int(input())
x = int(input())
N = int(input())
if N==0 and 0<=x<=500 and 0<=y<=500:
    pass
else:
    if N>0 and 0<=(0*N+x)<=500 and 0<=(0*N+y)<=500 and  0<=(20*N+x)<=500 and 0<=(30*N+y)<=500:
        pass
    else:
        if N>0 and 0<=(0*N+x)<=500 and 0<=(0*N+y)<=500 and  0<=(20*N+x)<=500 and 0<=(30*N+y)<=500:
            pass
        else:
            print ('размер фигуры превышает максимальный размер')
            exit ()
        
win.geometry ('500x500')
win.minsize (500,500)
canvas = Canvas (bg = 'blue', width = 500, height = 500)
canvas.pack (anchor = CENTER, expand = 1)
coord  = [0,0,    10,0,    10,10,   20,10,    20, 20,    10,20,   10,30,    0,30,     0,0]
canvas.create_polygon (coord [0]*N+x, coord [1]*N+y,
                       coord [2]*N+x, coord [3]*N+y,
                       coord [4]*N+x, coord [5]*N+y,
                       coord [6]*N+x, coord [7]*N+y,
                       coord [8]*N+x, coord [9]*N+y,
                       coord [10]*N+x, coord [11]*N+y,
                       coord [12]*N+x, coord [13]*N+y,
                       coord [14]*N+x, coord [15]*N+y)
win.mainloop ()
